class A {
    public static void testStaticFunction() {
        System.out.println("class A testStatic Function");
    }
}

class B extends A {
    public static void testStaticFunction() {
        System.out.println("class B testStatic Function");
    }

}

class C {
    public static void main(String[] args) {
        B.testStaticFunction();
    }

}
